How about any character that is complaining in this thread gets added to a list and when any player on that list "Seeks Out Orochimaru", they get an Orochimaru with Manda joined by Oliver (protector of Lady Erwin), the Alley Beast (not sure of the name), Disembodied Spectre, Ancient Spectre and The Stupid Brothers. In addition to that, give them (the people on that list) a 50% chance that their chakra gets halved upon entering the battle and/or a 50% chance that their mount runs away in fear.
People are always complaining about it not being harder, but are they taking the steps to make it harder themselves? Don't fight with a mount. Don't use jutsu or items.
Not everyone can beat the battle that some of you seem to want. Not everyone WANTS to face that challenge.
I'm not bitter or angry, but Oliver has made Orochimaru, in my opinion, MUCH harder than before. He has plans for the future and I personally am not in a hurry to see them. Anything further can wait as far as I am concerned. However, your mileage may vary.